angular-cn/modules/@angular/compiler_cli/integrationtest/test/basic_spec.ts

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import * as fs from 'fs';
import * as path from 'path';
import {BasicNgFactory} from '../src/basic.ngfactory';
import {MyComp} from '../src/a/multiple_components';
import {ReflectiveInjector, DebugElement, getDebugNode} from '@angular/core';
import {browserPlatform, BROWSER_APP_STATIC_PROVIDERS} from '@angular/platform-browser';
describe("template codegen output", () => {
const outDir = path.join('dist', 'all', '@angular', 'compiler_cli', 'integrationtest', 'src');
it("should lower Decorators without reflect-metadata", () => {
const jsOutput = path.join(outDir, 'basic.js');
expect(fs.existsSync(jsOutput)).toBeTruthy();
expect(fs.readFileSync(jsOutput, {encoding: 'utf-8'})).not.toContain('Reflect.decorate');
});
it("should produce metadata.json outputs", () => {
const metadataOutput = path.join(outDir, 'basic.metadata.json');
expect(fs.existsSync(metadataOutput)).toBeTruthy();
const output = fs.readFileSync(metadataOutput, {encoding: 'utf-8'});
expect(output).toContain('"decorators":');
expect(output).toContain('"name":"Component","module":"@angular/core"');
});
it("should write .d.ts files", () => {
const dtsOutput = path.join(outDir, 'basic.d.ts');
expect(fs.existsSync(dtsOutput)).toBeTruthy();
expect(fs.readFileSync(dtsOutput, {encoding: 'utf-8'})).toContain('Basic');
});
it("should be able to create the basic component", () => {
const appInjector = ReflectiveInjector.resolveAndCreate(BROWSER_APP_STATIC_PROVIDERS,
browserPlatform().injector);
var comp = BasicNgFactory.create(appInjector);
expect(comp.instance).toBeTruthy();
});
it("should support ngIf", () => {
const appInjector = ReflectiveInjector.resolveAndCreate(BROWSER_APP_STATIC_PROVIDERS,
browserPlatform().injector);
var comp = BasicNgFactory.create(appInjector);
var debugElement = <DebugElement>getDebugNode(comp.location.nativeElement);
expect(debugElement.children.length).toBe(2);
comp.instance.ctxBool = true;
comp.changeDetectorRef.detectChanges();
expect(debugElement.children.length).toBe(3);
expect(debugElement.children[2].injector.get(MyComp)).toBeTruthy();
});
it("should support ngFor", () => {
const appInjector = ReflectiveInjector.resolveAndCreate(BROWSER_APP_STATIC_PROVIDERS,
browserPlatform().injector);
var comp = BasicNgFactory.create(appInjector);
var debugElement = <DebugElement>getDebugNode(comp.location.nativeElement);
expect(debugElement.children.length).toBe(2);
// test NgFor
comp.instance.ctxArr = [1, 2];
comp.changeDetectorRef.detectChanges();
expect(debugElement.children.length).toBe(4);
expect(debugElement.children[2].attributes['value']).toBe('1');
expect(debugElement.children[3].attributes['value']).toBe('2');
});
});